Table 4: Diffusion coefficients of the three TiO2 solutions for nitrile rubber, latex, and neoprene obtained by measured changes in length of the elastomers.

Diffusion coefficients (10−14 m²·s−1)
nTiO2 in waternTiO2 in EGnTiO2 in PG

Nitrile rubber4.30.90.2
Latex2.40.70.7
Neoprene4.14.01.4